Chapter 3: System Interface
HDD
Channel activity for all HDDs. This light indicates SAS/SATA drive activity on the
Power
Indicates power is being supplied to the system's power supply units. This LED should normally be illuminated when the system is operating.
3-4 Drive Carrier LEDs
Each drive carrier has two LEDs for its SATA drives.
•Green: When illuminated, the green LED on the drive carrier indicates drive activity. A connection to the backplane enables this LED to blink on and off when that particular drive is being accessed.
•Red: The red LED to indicate a drive failure. If one of the drives fails, you should be notified by your system management software. Please refer to Chapter 6 for instructions on replacing failed drives.
